Abstract

目的再评估影响免疫抑制治疗(IST)后3个月未获血液学反应的重型/极重型再生障碍性贫血(SAA/VSAA)患者6个月疗效的因素。方法回顾性分析2017−2018 年连续收治的173例初治行IST且治疗后3个月未获血液学反应的SAA/VSAA患者的临床资料,对IST后3个月时的临床特征和血液学参数进行再评估,通过单因素和多因素分析找出影响6个月疗效获得的相关指标。结果单因素分析结果显示IST后3个月无效患者的HGB(P=0.017)、PLT(P=0.005)、网织红细胞绝对计数(ARC)(P<0.001)、环孢素A血药浓度谷值(CsA-C0)(P=0.042)、血清可溶性转铁蛋白受体(sTfR)(P=0.003)、网织红细胞绝对计数改善值(ARCΔ)(P<0.001)、血清可溶性转铁蛋白受体改善值(sTfRΔ)(P<0.001)与IST后6个月疗效有关。多因素分析结果显示PLT<10×109/L(P=0.020)和ARCΔ<6.9×109/L(P<0.001)是IST后3个月未获血液学反应患者6个月疗效的危险因素。IST后6个月未获血液学反应组3年总生存率[(80.1±3.9)%对(97.6±2.6)%,P=0.002]和无事件生存率[(31.4±4.5)%对(86.5±5.3)%,P<0.001]均明显低于获得血液学反应组。结论对IST后3个月未获血液学反应的SAA/VSAA患者再评估以预测其6个月疗效非常重要;IST后3个月残存造血仍是影响预后的主要参数;ARCΔ可反应骨髓造血是否正在恢复及恢复的程度;IST后3个月无效患者若ARCΔ<6.9×109/L,无论PLT为何值,IST后6个月的血液学反应率均较低。

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